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IX
Product
IOS XR
by Cisco · last CVE Sep 2, 2026
On CISA KEVExploited in the wild
199
CVEs
9
On KEV
9.8
Max CVSS
0
New 30D
Vulnerabilities199In the news0Timeline
Severity mix
Critical 4High 79Medium 53Low 0
Severity
All severities199Critical4High79Medium53Low0
Exploitation
On CISA KEV9Exploited in the wild9
Watch

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CVECVSSEPSSPublishedSummary · affected versions
CVE-2020-3118
In wildKEV
8.8
12%
Feb 5
Cisco IOS XR Software Cisco Discovery Protocol Format String Vulnerability
Affected: 6.6.0 before 6.6.12; 7.0.0 before 7.0.2; 6.5.3; 5.2.5; 6.4.2; 6.6.25; +1 more
CVE-2018-0167
In wildKEV
8.8
3%
Mar 28
Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability
Affected: 4.1 before 5.1.3
CVE-2020-3569
In wildKEV
8.6
3%
Sep 23
Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities
Affected: 6.1.4; 6.2.3; 6.3.3; 6.4.2; 6.5.3; 6.6.2; +8 more
CVE-2020-3566
In wildKEV
8.6
4%
Aug 29
Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability
Affected: 6.4.2
CVE-2018-0175
In wildKEV
8.0
3%
Mar 28
Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability
Affected: 15.4(3)m4.1
CVE-2016-6415
In wildKEV
7.5
88%
Sep 19
Cisco IOS, IOS XR, and IOS XE IKEv1 Information Disclosure Vulnerability
Affected: 4.3.0 through 4.3.4; 5.0.0 before 5.3.0
CVE-2010-3035
In wildKEV
7.5
6%
Aug 30
Cisco IOS XR Border Gateway Protocol (BGP) Denial-of-Service Vulnerability
Affected: 3.4.0 through 3.9.1
Showing 7